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Tweak comment, remove extra include.

This commit is contained in:
Andrew Chambers 2020-05-07 20:44:04 +12:00
parent 79c3139748
commit 1498fdb7b0
1 changed files with 2 additions and 4 deletions
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6
src/core/io.c
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@ -33,7 +33,6 @@
#include <fcntl.h>
#include <sys/wait.h>
#include <unistd.h>
#include <fcntl.h>
#endif
static int cfun_io_gc(void *p, size_t len);
@ -143,10 +142,9 @@ static Janet cfun_io_temp(int32_t argc, Janet *argv) {
#ifndef JANET_WINDOWS
/* It seems highly unlikely a typical janet user wants a tempfile to be inherited and
libc tmpfile does NOT set O_CLOEXEC by default,
libc tmpfile does NOT set O_CLOEXEC by default.
Even though setting this flag after a delay is racy in threaded programs,
It helps in single threaded ones. The fix for threaded programs would be to use mkostemp
For threaded programs we should use mkostemp
which is coming to POSIX at a later time. */
if (fcntl(fileno(tmp), F_SETFD, FD_CLOEXEC) != 0) {
fclose(tmp);